Jacob Shoemaker House, John Turn Farm, Zion Lutheran Church are located in Delaware Water Gap National Recreation Area at Middle Smithfield Township and listed on the National Register of Historic Places.

According to the Trewartha climate classification system, Middle Smithfield Township has a Temperate Continental climate (Dc) with warm summers (b), cold winters (o) and year-around precipitation (Dcbo).

The average wettest month is September, which correlates with tropical storm remnants during the peak of the Atlantic hurricane season.

During the winter months, the plant hardiness zone is 6a, with an average annual extreme minimum air temperature of −8.9 °F (−23 °C).

Ice storms and large snowstorms depositing ≥ 12 inches (30 cm) of snow occur once every couple of years, particularly during nor’easters from December through March.

US 209 follows Milford Road along a southwest-northeast alignment across the southeastern portion of the township.

PA 402 follows Resica Falls Road along a north-south alignment through the middle of the township.

The plant hardiness zone is 6a with an average annual extreme minimum air temperature of −8.9 °F (−23 °C).